Orthogenesis in urdu/hindi | Macroevolution | Evolution | BS Zoology

Описание: Orthogenesis is a theory of evolution which explains that organisms evolve in a straight and fixed direction. According to this theory, evolutionary changes are not random but follow a predetermined path controlled by internal forces. In this lecture on BioBlast486, Orthogenesis is explained in very simple words with real-life examples such as horse evolution, reduction of side toes, deer antlers, and parallel evolution. This topic is very important for FSc, Intermediate, and Biology students preparing for exams. This video helps students understand straight line evolution easily with clear explanations and examples.

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